fixing the GET type

src/app/(main)/ps/page.tsx

@@ -87,7 +87,7 @@ export default function ProductionSchedulePage() {
     setLoading(true);
     try {
       const response = await fetch(`${NEXT_PUBLIC_API_URL}/productionSchedule/testDetailedSchedule`, {
-        method: 'POST',
+        method: 'GET',
         headers: { 'Authorization': `Bearer ${token}` }
       });
       if (response.ok) {